example-mni.masm

; Example program demonstrating custom MNI functions

lbl main
    ; String example - converting to uppercase
    DB $100 "hello world!"               ; Define source string
    MOV R1 100                           ; Source address
    MOV R2 200                           ; Destination address
    MNI String.toUpper R1 R2             ; Convert to uppercase
    MOV RAX 1                            ; stdout
    OUT 1 $200                           ; Print result
    
    ; String length example
    MNI String.length R1 R3              ; Get length of original string
    ADD R3 48                            ; Convert to ASCII
    MOV $300 R3                          ; Store as character
    MOV $301 0                           ; Null terminate
    MOV RAX 1                            ; stdout
    OUT 1 $300                           ; Print length
    
    ; Math example - square root
    MOV R4 144                           ; Number to find square root of
    MNI MathExt.sqrt R4 R5               ; Calculate square root 
    ADD R5 48                            ; Convert to ASCII (assuming single digit)
    MOV $400 R5                          ; Store as character
    MOV $401 0                           ; Null terminate
    OUT 1 $400                           ; Print square root result
    
    ; Timestamp example
    MNI Util.time R6                     ; Get current timestamp
    DB $500 "%Y-%m-%d %H:%M:%S"          ; Date format string
    MOV R7 500                           ; Format string address
    MOV R8 600                           ; Destination address for formatted date
    MNI Util.formatDate R6 R7 R8         ; Format the date
    OUT 1 $600                           ; Print formatted date/time
    
    ; Hex conversion example
    DB $700 "FF"                         ; Hex string
    MOV R9 700                           ; Hex string address
    MNI Util.hexToInt R9 R10             ; Convert hex to integer
    MOV RAX 1                            ; stdout
    OUT 1 R10                           ; Print the integer value (255)
    
    HLT